Home / 28,999.94-43,505.37-9,273.20

Finding the Fourth Proportional to 28,999.94, 43,505.37 and 9,273.20

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Solution

The fourth proportional to 28,999.94, 43,505.37 and 9,273.20 is: 13,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.94 : 43,505.37 = 9,273.20 : x
  2. Step 2: Convert to fraction form
    28,999.94/43,505.37 = 9,273.20/x
  3. Step 3: Cross multiply
    28,999.94x = 43,505.37 × 9,273.20
  4. Step 4: Simplify right side
    28,999.94x = 403,433,997.08
  5. Step 5: Solve for x
    x = 403,433,997.08/28,999.94
  6. Step 6: Final answer
    x = 13,911.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.